public void TestGetMinResistance_WithKnownValue()
{
Services.UseCase.ResistorComputations resistor = new Services.UseCase.ResistorComputations(new Infrastructure.ExceptionManager.DatabaseLogger());
double maxResistance = 0;
maxResistance = resistor.GetMinResistance(10.0, 10);
Assert.IsTrue(maxResistance == 9);
}
public void TestResistance_WithKnownValue()
{
Services.UseCase.ResistorComputations resistor = new Services.UseCase.ResistorComputations(new Infrastructure.ExceptionManager.DatabaseLogger());
double resistance = 0;
resistance = resistor.GetResistance(26, 0);
Assert.IsTrue(resistance == 26);
}
public JsonResult CalculateOhms(List <string> selectedColors)
{
Services.UseCase.ResistorComputations resistor = new Services.UseCase.ResistorComputations(new Infrastructure.ExceptionManager.FileLogger());
// This section will return the computation results for a 4 strip resistor
if (selectedColors.Count == 4)
{
var results = resistor.GetAllComputedValues(selectedColors[0], selectedColors[1], selectedColors[2], selectedColors[3]);
return(Json(new
{
Resistance = results.resistance,
Tolerance = results.tolerance,
MaxResistance = results.maxresistance,
MinResistance = results.minresistance
}));
}
// If we wanted to design for the other resistor types (5,6 band) we could place the code in the following
// section for count = 5,6... although I would refactor this by modifying the IOhmValueCalculator interface
// to accomodate all the resistor types.
if (selectedColors.Count == 5)
{
// 5,6 color resistor code would be implemented here...
return(Json(new
{
Resistance = 0,
Tolerance = 0,
MaxResistance = 0,
MinResistance = 0
}));
}
// -------------------------------------------------
// If an undefined resistor type is submitted, return blank results.
return(Json(new
{
Resistance = 0,
Tolerance = 0,
MaxResistance = 0,
MinResistance = 0
}));
}
public void TestAllValidToleranceColors()
{
Services.UseCase.ResistorComputations resistor = new Services.UseCase.ResistorComputations(new Infrastructure.ExceptionManager.DatabaseLogger());
List <string> colors = new List <string>()
{
"Brown", "Red", "Orange", "Yellow", "Green", "Blue", "Violet", "Gray", "Gold", "Silver"
};
double multiplier = 0;
for (int i = 0; i < colors.Count; i++)
{
multiplier = resistor.GetTolerance(colors[i]);
Assert.IsTrue(multiplier != -33);
}
}
public void CalculateOhmValue()
{
Services.UseCase.ResistorComputations resistor = new Services.UseCase.ResistorComputations(new Infrastructure.ExceptionManager.DatabaseLogger());
Dictionary <string, int> banda = new Dictionary <string, int>();
Dictionary <string, int> bandb = new Dictionary <string, int>();
int result = 0;
// Assign test data
banda.Add("Brown", 1);
banda.Add("Red", 2);
banda.Add("Orange", 3);
banda.Add("Yellow", 4);
banda.Add("Green", 5);
banda.Add("Blue", 6);
banda.Add("Violet", 7);
banda.Add("Gray", 8);
banda.Add("White", 9);
bandb.Add("Black", 0);
bandb.Add("Brown", 1);
bandb.Add("Red", 2);
bandb.Add("Orange", 3);
bandb.Add("Yellow", 4);
bandb.Add("Green", 5);
bandb.Add("Blue", 6);
bandb.Add("Violet", 7);
bandb.Add("Gray", 8);
bandb.Add("White", 9);
for (int i = 0; i < banda.Count; i++)
{
result = resistor.CalculateOhmValue(banda.ElementAt(i).Key, "blue", "red", "gold");
Assert.IsTrue(result == Convert.ToInt32(banda.ElementAt(i).Value.ToString() + "6"));
}
for (int i = 0; i < bandb.Count; i++)
{
result = resistor.CalculateOhmValue("blue", bandb.ElementAt(i).Key, "red", "gold");
Assert.IsTrue(result == Convert.ToInt32("6" + bandb.ElementAt(i).Value.ToString()));
}
}
